11161944 has 24 divisors (see below), whose sum is σ = 30230460. Its totient is φ = 3720624.

The previous prime is 11161939. The next prime is 11161961. The reversal of 11161944 is 44916111.

11161944 is a `hidden beast` number, since 1 + 1 + 1 + 619 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77442 + ... + 77585.

Almost surely, 2^11161944 is an apocalyptic number.

It is an amenable number.

11161944 is an abundant number, since it is smaller than the sum of its proper divisors (19068516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11161944 is a wasteful number, since it uses less digits than its factorization.

11161944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155039 (or 155032 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11161944 is about 3340.9495656175. The cubic root of 11161944 is about 223.4840911758.

The spelling of 11161944 in words is "eleven million, one hundred sixty-one thousand, nine hundred forty-four".